GB1446087A - Electrical measuring and monitoring apparatus utilising a remote detector - Google Patents

Electrical measuring and monitoring apparatus utilising a remote detector

Info

Publication number
GB1446087A
GB1446087A GB5520073A GB5520073A GB1446087A GB 1446087 A GB1446087 A GB 1446087A GB 5520073 A GB5520073 A GB 5520073A GB 5520073 A GB5520073 A GB 5520073A GB 1446087 A GB1446087 A GB 1446087A
Authority
GB
United Kingdom
Prior art keywords
monitoring apparatus
electrical measuring
remote detector
apparatus utilising
utilising
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB5520073A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
MSA de France SRL
Original Assignee
MSA de France SRL
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by MSA de France SRL filed Critical MSA de France SRL
Publication of GB1446087A publication Critical patent/GB1446087A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
    • G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
    • G01N27/14—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of an electrically-heated body in dependence upon change of temperature
    • G01N27/16—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of an electrically-heated body in dependence upon change of temperature caused by burning or catalytic oxidation of surrounding material to be tested, e.g. of gas
    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C19/00—Electric signal transmission systems
    • G08C19/02—Electric signal transmission systems in which the signal transmitted is magnitude of current or voltage

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Electrochemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
GB5520073A 1972-11-29 1973-11-28 Electrical measuring and monitoring apparatus utilising a remote detector Expired GB1446087A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7242382A FR2208520A5 (en, 2012) 1972-11-29 1972-11-29

Publications (1)

Publication Number Publication Date
GB1446087A true GB1446087A (en) 1976-08-11

Family

ID=9107908

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5520073A Expired GB1446087A (en) 1972-11-29 1973-11-28 Electrical measuring and monitoring apparatus utilising a remote detector

Country Status (13)

Country Link
US (1) US3887335A (en, 2012)
JP (1) JPS501759A (en, 2012)
CH (1) CH579769A5 (en, 2012)
DD (1) DD109277A5 (en, 2012)
DE (1) DE2359595A1 (en, 2012)
ES (1) ES420912A1 (en, 2012)
FR (1) FR2208520A5 (en, 2012)
GB (1) GB1446087A (en, 2012)
IT (1) IT1002072B (en, 2012)
NL (1) NL7316202A (en, 2012)
PL (1) PL91248B1 (en, 2012)
RO (1) RO81734A (en, 2012)
ZA (1) ZA738944B (en, 2012)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2408218C3 (de) * 1974-02-21 1983-11-03 Ehlen, Karl Josef, Dr., 5000 Köln Schaltungsanordnung zum Nachweis von Gasen
ZA766200B (en) * 1975-10-28 1978-05-30 Consolidation Coal Co Electrical circuitry for detecting a combustible mixture of gas in a mine atmosphere
JP5177289B2 (ja) * 2009-05-26 2013-04-03 トヨタ自動車株式会社 制御装置、車載機及びシステム並びに方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3239828A (en) * 1962-07-27 1966-03-08 Erdco Eng Corp Combustible gas detector
US3517556A (en) * 1967-05-02 1970-06-30 Monsanto Co Resistive-type temperature-to-current transducer
US3503261A (en) * 1967-11-01 1970-03-31 Fischer & Porter Co Resistance to current converter
DE1951523B2 (de) * 1969-10-13 1971-12-30 Schoppe & Faeser Gmbh, 4950 Minden Elektrischer messumformer nach dem zwei draht verfahren
US3764880A (en) * 1972-05-08 1973-10-09 Rosemount Inc Two-wire current transmitter with isolated transducer circuit

Also Published As

Publication number Publication date
JPS501759A (en, 2012) 1975-01-09
FR2208520A5 (en, 2012) 1974-06-21
ZA738944B (en) 1974-11-27
PL91248B1 (en, 2012) 1977-02-28
NL7316202A (en, 2012) 1974-05-31
DE2359595A1 (de) 1974-06-12
DD109277A5 (en, 2012) 1974-10-20
RO81734B (ro) 1983-05-30
ES420912A1 (es) 1976-04-01
IT1002072B (it) 1976-05-20
RO81734A (ro) 1983-06-01
CH579769A5 (en, 2012) 1976-09-15
US3887335A (en) 1975-06-03

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Legal Events

Date Code Title Description
CSNS Application of which complete specification have been accepted and published, but patent is not sealed